package fuckTest;

import java.util.Map;

public class Demo4 {

    private int a=10;
    int b=20;
    static int c=1;

    public static void main(String arg[]) {
        Demo4 t = new Demo4();
        int num;
        num = t.a;
        num = t.b;
        num = t.c;
        num = Demo4.c;

    }
}
